----------------------------------------------------------------------------------
      name:  <unnamed>
       log:  /volumes/ddisk/math/soviet/Table_6.log
  log type:  text
 opened on:  24 Mar 2014, 13:31:29

. use "/volumes/ddisk/math/ams/clean_ams_data_author_year.dta", replace;

. generate good=.;
(6282565 missing values generated)

. replace good=1 if year>=1970 & year<=1989;
(2433275 real changes made)

. egen n70=sum(good*papers), by(unique);

. drop if n70==0;
(675205 observations deleted)

. merge unique using "/volumes/ddisk/math/ams/international/soviet_universe.dta";
(note: you are using old merge syntax; see [D] merge for new syntax)
variable unique does not uniquely identify observations in the master data
degree_year was int now float

. drop _merge;

. keep if soviet==1;
(5243145 observations deleted)

. drop if emigre==1;
(31681 observations deleted)

. drop country;

. rename modal_country country;

. keep if year>=1982 & year<=2008;
(49365 observations deleted)

. sort unique;

. merge unique using /volumes/ddisk/math/soviet/shocks_and_instruments.dta;
(note: you are using old merge syntax; see [D] merge for new syntax)
variable unique does not uniquely identify observations in the master data

. drop _merge;

. drop if shock_idea_space==.;
(0 observations deleted)

. generate publish=(papers>0);

. summ publish papers ;

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
     publish |    283169    .2871148    .4524164          0          1
      papers |    283169    .5506853    1.221365          0         29

. generate inter_shock1=post1992*shock_idea_space;

. generate inter_pexp1=post1992*shock_geographic_space;

. generate inter_paut1=post1992*shock_coauthor_space;
(76795 missing values generated)

. replace inter_paut1=0 if inter_paut1==.;
(76795 real changes made)

. generate inst_shock1=post1992*instrument_idea_space;

. generate inst_pexp1=post1992*instrument_geographic_space;

. generate inst_paut1=post1992*instrument_coauthor_space;
(58832 missing values generated)

. replace inst_paut1=0 if inst_paut1==.;
(58832 real changes made)

. replace shock_coauthor_space_high=0 if shock_coauthor_space_high==.;
(76795 real changes made)

. replace shock_coauthor_space_low=0 if shock_coauthor_space_low==.;
(76795 real changes made)

. replace instrument_coauthor_space_high=0 if instrument_coauthor_space_high==.;
(58832 real changes made)

. replace instrument_coauthor_space_low=0 if instrument_coauthor_space_low==.;
(58832 real changes made)

. generate inter_shock_coauthor_high=post1992*shock_coauthor_space_high;

. generate inter_shock_coauthor_low=post1992*shock_coauthor_space_low;

. generate inst_high=post1992*instrument_coauthor_space_high;

. generate inst_low=post1992*instrument_coauthor_space_low;

. xtivreg2 publish post1992 exper* dyear* 
>         (inter_shock_coauthor_high inter_shock_coauthor_low =
>         inst_high inst_low), 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 31, 11172) =   474.58
                                                      Prob > F      =   0.0000
Total (centered) SS     =  39161.08071                Centered R2   =   0.0971
Total (uncentered) SS   =  39161.08071                Uncentered R2 =   0.0971
Residual SS             =  35360.49208                Root MSE      =    .3606

---------------------------------------------------------------------------------
                |               Robust
        publish |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
inter_shock_c~h |  -.3162851   .0910397    -3.47   0.001    -.4947196   -.1378507
inter_shock_c~w |   .1619546   .0609814     2.66   0.008     .0424332     .281476
       post1992 |  -.0309148   .0547014    -0.57   0.572    -.1381276     .076298
          exper |   -.059972   .0035263   -17.01   0.000    -.0668833   -.0530606
         exper2 |   .0037823   .0000949    39.88   0.000     .0035964    .0039682
         exper3 |  -.0000936   2.83e-06   -33.07   0.000    -.0000991    -.000088
         exper4 |   7.46e-07   2.76e-08    27.07   0.000     6.92e-07    8.00e-07
        dyear13 |   .0711725   .0304658     2.34   0.019     .0114607    .1308843
        dyear14 |   .1182761   .0272405     4.34   0.000     .0648858    .1716664
        dyear15 |   .1570996   .0239462     6.56   0.000     .1101659    .2040333
        dyear16 |   .1354438    .020774     6.52   0.000     .0947275    .1761601
        dyear17 |   .1277695   .0175568     7.28   0.000     .0933589    .1621801
        dyear18 |   .1102561   .0144319     7.64   0.000       .08197    .1385421
        dyear19 |   .1228998   .0113419    10.84   0.000     .1006701    .1451295
        dyear20 |   .1189855   .0083928    14.18   0.000      .102536     .135435
        dyear21 |   .0300627   .0058165     5.17   0.000     .0186626    .0414628
        dyear23 |   .0191467    .051207     0.37   0.708    -.0812172    .1195106
        dyear24 |   .0068159   .0478791     0.14   0.887    -.0870254    .1006571
        dyear25 |   .0019201   .0445532     0.04   0.966    -.0854026    .0892428
        dyear26 |    .015654   .0413059     0.38   0.705    -.0653041    .0966122
        dyear27 |    .016323   .0380203     0.43   0.668    -.0581954    .0908413
        dyear28 |   .0234987   .0347397     0.68   0.499    -.0445898    .0915872
        dyear29 |    .015296   .0314684     0.49   0.627     -.046381    .0769729
        dyear30 |   .0197534     .02815     0.70   0.483    -.0354196    .0749264
        dyear31 |   .0237212   .0248702     0.95   0.340    -.0250235    .0724658
        dyear32 |   .0134025   .0216583     0.62   0.536     -.029047    .0558519
        dyear33 |   .0137768      .0183     0.75   0.452    -.0220906    .0496442
        dyear34 |   .0058574   .0151264     0.39   0.699    -.0237899    .0355047
        dyear35 |   .0074793    .011884     0.63   0.529    -.0158128    .0307714
        dyear36 |   .0045555   .0086918     0.52   0.600    -.0124801     .021591
        dyear37 |   .0054063   .0057792     0.94   0.350    -.0059207    .0167332
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):            102.774
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             4709.299
                         (Kleibergen-Paap rk Wald F statistic):         59.892
Stock-Yogo weak ID test critical values: 10% maximal IV size              7.03
                                         15% maximal IV size              4.58
                                         20% maximal IV size              3.95
                                         25% maximal IV size              3.63
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock_coauthor_high inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

. xtivreg2 papers post1992 exper* dyear* 
>         (inter_shock_coauthor_high inter_shock_coauthor_low =
>         inst_high inst_low), 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 31, 11172) =   124.54
                                                      Prob > F      =   0.0000
Total (centered) SS     =  221391.4874                Centered R2   =   0.0304
Total (uncentered) SS   =  221391.4874                Uncentered R2 =   0.0304
Residual SS             =   214666.988                Root MSE      =    .8884

---------------------------------------------------------------------------------
                |               Robust
         papers |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
inter_shock_c~h |  -.5830533   .1843116    -3.16   0.002    -.9442974   -.2218091
inter_shock_c~w |   .1602338   .1516909     1.06   0.291    -.1370749    .4575425
       post1992 |  -.3619018   .1389906    -2.60   0.009    -.6343184   -.0894851
          exper |  -.0483145   .0090964    -5.31   0.000    -.0661431    -.030486
         exper2 |   .0042101   .0003094    13.61   0.000     .0036037    .0048165
         exper3 |  -.0000967   9.82e-06    -9.85   0.000     -.000116   -.0000775
         exper4 |   6.42e-07   1.00e-07     6.39   0.000     4.45e-07    8.39e-07
        dyear13 |   .2022537   .0772098     2.62   0.009     .0509253    .3535821
        dyear14 |   .2706448   .0688633     3.93   0.000     .1356753    .4056144
        dyear15 |   .3195948   .0606456     5.27   0.000     .2007316    .4384579
        dyear16 |   .2940119   .0522748     5.62   0.000     .1915552    .3964687
        dyear17 |   .2543078   .0445283     5.71   0.000     .1670338    .3415817
        dyear18 |   .1916252   .0358776     5.34   0.000     .1213065     .261944
        dyear19 |   .2105493   .0282954     7.44   0.000     .1550913    .2660073
        dyear20 |   .2071716   .0205324    10.09   0.000     .1669289    .2474144
        dyear21 |   .0573032   .0134129     4.27   0.000     .0310144    .0835919
        dyear23 |   .3090349   .1299531     2.38   0.017     .0543315    .5637383
        dyear24 |   .2463653   .1215217     2.03   0.043     .0081873    .4845434
        dyear25 |   .2232971    .112978     1.98   0.048     .0018643      .44473
        dyear26 |   .2749805   .1049928     2.62   0.009     .0691984    .4807626
        dyear27 |   .2425111   .0965429     2.51   0.012     .0532905    .4317317
        dyear28 |   .2476458    .088232     2.81   0.005     .0747144    .4205773
        dyear29 |    .218087   .0798443     2.73   0.006      .061595     .374579
        dyear30 |   .2142521   .0713966     3.00   0.003     .0743174    .3541869
        dyear31 |   .2041779   .0631879     3.23   0.001     .0803319    .3280239
        dyear32 |   .1486215   .0546656     2.72   0.007      .041479     .255764
        dyear33 |   .1424295   .0463121     3.08   0.002     .0516594    .2331996
        dyear34 |   .0936562   .0379284     2.47   0.014     .0193179    .1679944
        dyear35 |   .0626895   .0296953     2.11   0.035     .0044877    .1208912
        dyear36 |    .042199   .0217979     1.94   0.053    -.0005241     .084922
        dyear37 |   .0232318   .0142334     1.63   0.103    -.0046651    .0511288
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):            102.774
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             4709.299
                         (Kleibergen-Paap rk Wald F statistic):         59.892
Stock-Yogo weak ID test critical values: 10% maximal IV size              7.03
                                         15% maximal IV size              4.58
                                         20% maximal IV size              3.95
                                         25% maximal IV size              3.63
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock_coauthor_high inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

. xtivreg2 publish post1992 exper* dyear* 
>         (inter_shock1 inter_pexp1 inter_shock_coauthor_high inter_shock_coauthor
> _low=
>         inst_shock1 inst_pexp1 inst_high inst_low) , 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 33, 11172) =   459.45
                                                      Prob > F      =   0.0000
Total (centered) SS     =  39161.08071                Centered R2   =   0.0987
Total (uncentered) SS   =  39161.08071                Uncentered R2 =   0.0987
Residual SS             =  35295.13537                Root MSE      =    .3602

---------------------------------------------------------------------------------
                |               Robust
        publish |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
   inter_shock1 |   .3349979   .1060616     3.16   0.002      .127121    .5428748
    inter_pexp1 |   .3260563   .0951791     3.43   0.001     .1395088    .5126039
inter_shock_c~h |  -.3551165   .0910696    -3.90   0.000    -.5336097   -.1766233
inter_shock_c~w |   .0448514   .0709064     0.63   0.527    -.0941226    .1838253
       post1992 |  -.1037581   .0561164    -1.85   0.064    -.2137443     .006228
          exper |  -.0606956   .0035258   -17.21   0.000    -.0676061   -.0537852
         exper2 |    .003835   .0000956    40.10   0.000     .0036476    .0040225
         exper3 |  -.0000949   2.85e-06   -33.34   0.000    -.0001005   -.0000894
         exper4 |   7.57e-07   2.77e-08    27.36   0.000     7.03e-07    8.11e-07
        dyear13 |   .0698598   .0304617     2.29   0.022     .0101559    .1295637
        dyear14 |   .1168091    .027237     4.29   0.000     .0634255    .1701927
        dyear15 |   .1557397   .0239415     6.51   0.000     .1088152    .2026641
        dyear16 |   .1341635   .0207696     6.46   0.000     .0934558    .1748712
        dyear17 |   .1266352   .0175534     7.21   0.000     .0922311    .1610392
        dyear18 |   .1092825   .0144297     7.57   0.000     .0810008    .1375643
        dyear19 |   .1223078   .0113413    10.78   0.000     .1000793    .1445364
        dyear20 |   .1186975   .0083917    14.14   0.000     .1022501     .135145
        dyear21 |   .0299372   .0058168     5.15   0.000     .0185364     .041338
        dyear23 |   .0192294   .0512101     0.38   0.707    -.0811405    .1195993
        dyear24 |   .0069637   .0478818     0.15   0.884    -.0868828    .1008102
        dyear25 |   .0021093   .0445563     0.05   0.962    -.0852194    .0894381
        dyear26 |   .0158647    .041309     0.38   0.701    -.0650995    .0968289
        dyear27 |   .0165389   .0380227     0.43   0.664    -.0579842    .0910621
        dyear28 |   .0237071    .034742     0.68   0.495    -.0443859    .0918002
        dyear29 |   .0154871   .0314703     0.49   0.623    -.0461936    .0771678
        dyear30 |   .0199204   .0281518     0.71   0.479     -.035256    .0750969
        dyear31 |   .0238597   .0248715     0.96   0.337    -.0248876     .072607
        dyear32 |   .0135131   .0216593     0.62   0.533    -.0289383    .0559646
        dyear33 |   .0138625   .0183011     0.76   0.449    -.0220069    .0497319
        dyear34 |   .0059182   .0151271     0.39   0.696    -.0237303    .0355667
        dyear35 |   .0075129   .0118844     0.63   0.527      -.01578    .0308058
        dyear36 |   .0045738    .008692     0.53   0.599    -.0124622    .0216099
        dyear37 |   .0054088   .0057792     0.94   0.349    -.0059183    .0167359
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):             82.267
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             1702.624
                         (Kleibergen-Paap rk Wald F statistic):         23.302
Stock-Yogo weak ID test critical values:                       <not available>
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock1 inter_pexp1 inter_shock_coauthor_high
                      inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_shock1 inst_pexp1 inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

. xtivreg2 papers post1992 exper* dyear* 
>         (inter_shock1 inter_pexp1 inter_shock_coauthor_high inter_shock_coauthor
> _low=
>         inst_shock1 inst_pexp1 inst_high inst_low) , 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 33, 11172) =   120.06
                                                      Prob > F      =   0.0000
Total (centered) SS     =  221391.4874                Centered R2   =   0.0314
Total (uncentered) SS   =  221391.4874                Uncentered R2 =   0.0314
Residual SS             =  214432.9322                Root MSE      =    .8879

---------------------------------------------------------------------------------
                |               Robust
         papers |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
   inter_shock1 |   .5288724   .2953735     1.79   0.073     -.050049    1.107794
    inter_pexp1 |   .4476231   .3652201     1.23   0.220    -.2681951    1.163441
inter_shock_c~h |  -.6378173   .1898483    -3.36   0.001    -1.009913   -.2657215
inter_shock_c~w |   -.006814   .1836694    -0.04   0.970    -.3667994    .3531715
       post1992 |   -.470482   .1430614    -3.29   0.001    -.7508771   -.1900869
          exper |  -.0493447   .0091034    -5.42   0.000    -.0671871   -.0315023
         exper2 |   .0042841   .0003141    13.64   0.000     .0036685    .0048997
         exper3 |  -.0000986   9.94e-06    -9.92   0.000    -.0001181   -.0000792
         exper4 |   6.57e-07   1.01e-07     6.49   0.000     4.59e-07    8.56e-07
        dyear13 |   .2003218   .0771962     2.59   0.009       .04902    .3516235
        dyear14 |   .2684855   .0688528     3.90   0.000     .1335366    .4034344
        dyear15 |   .3176006   .0606365     5.24   0.000     .1987553    .4364459
        dyear16 |   .2921487   .0522737     5.59   0.000     .1896941    .3946033
        dyear17 |    .252659   .0445192     5.68   0.000     .1654029    .3399151
        dyear18 |   .1902072   .0358715     5.30   0.000     .1199002    .2605141
        dyear19 |   .2096825   .0282919     7.41   0.000     .1542313    .2651337
        dyear20 |   .2067459   .0205287    10.07   0.000     .1665104    .2469815
        dyear21 |   .0571165   .0134132     4.26   0.000     .0308271     .083406
        dyear23 |   .3090707   .1299756     2.38   0.017     .0543232    .5638182
        dyear24 |   .2465022   .1215435     2.03   0.043     .0082814    .4847231
        dyear25 |   .2235013   .1129991     1.98   0.048     .0020272    .4449754
        dyear26 |   .2752235   .1050131     2.62   0.009     .0694016    .4810454
        dyear27 |   .2427697   .0965588     2.51   0.012     .0535179    .4320214
        dyear28 |   .2479014   .0882465     2.81   0.005     .0749414    .4208613
        dyear29 |   .2183252   .0798552     2.73   0.006     .0618118    .3748385
        dyear30 |   .2144627   .0714065     3.00   0.003     .0745084    .3544169
        dyear31 |    .204354   .0631957     3.23   0.001     .0804927    .3282154
        dyear32 |   .1487623   .0546714     2.72   0.007     .0416082    .2559163
        dyear33 |   .1425391   .0463168     3.08   0.002     .0517599    .2333182
        dyear34 |   .0937341   .0379309     2.47   0.013     .0193908    .1680773
        dyear35 |   .0627322   .0296967     2.11   0.035     .0045278    .1209367
        dyear36 |   .0422224    .021799     1.94   0.053    -.0005029    .0849476
        dyear37 |   .0232349   .0142335     1.63   0.103    -.0046623    .0511321
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):             82.267
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             1702.624
                         (Kleibergen-Paap rk Wald F statistic):         23.302
Stock-Yogo weak ID test critical values:                       <not available>
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock1 inter_pexp1 inter_shock_coauthor_high
                      inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_shock1 inst_pexp1 inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

. save /volumes/ddisk/data/junkdata.dta, replace;
file /volumes/ddisk/data/junkdata.dta saved

. *NOW THE REGRESSION ON PAPERS WRITTEN WITH NON-EMIGRES;
. *KIRK CREATED THE NON_EMIGRE_PAPERS DATA SET THAT IS THE DEPENDENT VARIABLE;
. sort unique year;

. merge unique year using /volumes/ddisk/math/soviet/non_emigre_papers.dta;
(note: you are using old merge syntax; see [D] merge for new syntax)

. drop _merge;

. drop if unique==.;
(0 observations deleted)

. replace non_emigre_papers=0 if non_emigre_papers==.;
(208775 real changes made)

. generate net_papers= non_emigre_papers;

. summ net_papers, detail;

                         net_papers
-------------------------------------------------------------
      Percentiles      Smallest
 1%            0              0
 5%            0              0
10%            0              0       Obs              370566
25%            0              0       Sum of Wgt.      370566

50%            0                      Mean           .7011625
                        Largest       Std. Dev.      1.115818
75%            1             23
90%            2             25       Variance        1.24505
95%            3             28       Skewness       3.221385
99%            5             29       Kurtosis       24.62449

. generate net_publish=(net_papers>0);

. xtivreg2 net_publish post1992 exper* dyear* 
>         (inter_shock1 inter_pexp1 inter_shock_coauthor_high inter_shock_coauthor
> _low=
>         inst_shock1 inst_pexp1 inst_high inst_low) , 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 33, 11172) =   260.58
                                                      Prob > F      =   0.0000
Total (centered) SS     =  37038.08722                Centered R2   =   0.0730
Total (uncentered) SS   =  37038.08722                Uncentered R2 =   0.0730
Residual SS             =  34335.74197                Root MSE      =    .3553

---------------------------------------------------------------------------------
                |               Robust
    net_publish |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
   inter_shock1 |   .5715342   .1076895     5.31   0.000     .3604666    .7826017
    inter_pexp1 |   .4462789   .0994578     4.49   0.000     .2513452    .6412126
inter_shock_c~h |  -.2067477   .0978246    -2.11   0.035    -.3984803   -.0150151
inter_shock_c~w |   .0737473   .0702244     1.05   0.294    -.0638901    .2113846
       post1992 |  -.2362866   .0558556    -4.23   0.000    -.3457615   -.1268117
          exper |  -.0398963   .0035367   -11.28   0.000    -.0468281   -.0329646
         exper2 |   .0028211   .0000985    28.64   0.000      .002628    .0030141
         exper3 |   -.000069   2.88e-06   -23.95   0.000    -.0000747   -.0000634
         exper4 |   5.38e-07   2.76e-08    19.46   0.000     4.83e-07    5.92e-07
        dyear13 |   .1086295   .0303456     3.58   0.000     .0491531    .1681059
        dyear14 |   .1337206   .0271253     4.93   0.000      .080556    .1868852
        dyear15 |   .1636062   .0238647     6.86   0.000     .1168323    .2103801
        dyear16 |    .150826   .0206811     7.29   0.000     .1102918    .1913601
        dyear17 |   .1392887   .0174806     7.97   0.000     .1050273    .1735501
        dyear18 |   .1245603   .0143402     8.69   0.000      .096454    .1526667
        dyear19 |   .1191032   .0112697    10.57   0.000      .097015    .1411914
        dyear20 |   .1078079    .008271    13.03   0.000      .091597    .1240188
        dyear21 |    .028593   .0057005     5.02   0.000     .0174202    .0397658
        dyear23 |   .0936941   .0509409     1.84   0.066    -.0061481    .1935364
        dyear24 |    .068799   .0476065     1.45   0.148     -.024508    .1621061
        dyear25 |   .0622904   .0443857     1.40   0.161    -.0247039    .1492846
        dyear26 |   .0721385   .0410841     1.76   0.079    -.0083849    .1526618
        dyear27 |    .073836   .0378506     1.95   0.051    -.0003498    .1480217
        dyear28 |   .0780367   .0345362     2.26   0.024     .0103469    .1457265
        dyear29 |   .0640559   .0313128     2.05   0.041     .0026839    .1254279
        dyear30 |    .059348    .028005     2.12   0.034     .0044591    .1142368
        dyear31 |   .0587757   .0247476     2.38   0.018     .0102713      .10728
        dyear32 |   .0466915   .0215302     2.17   0.030      .004493    .0888899
        dyear33 |   .0407518   .0182094     2.24   0.025     .0050621    .0764415
        dyear34 |   .0277232   .0150168     1.85   0.065    -.0017092    .0571555
        dyear35 |   .0237365   .0117974     2.01   0.044     .0006141    .0468589
        dyear36 |    .014545   .0085988     1.69   0.091    -.0023084    .0313984
        dyear37 |   .0115808   .0057275     2.02   0.043      .000355    .0228065
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):             82.267
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             1702.624
                         (Kleibergen-Paap rk Wald F statistic):         23.302
Stock-Yogo weak ID test critical values:                       <not available>
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock1 inter_pexp1 inter_shock_coauthor_high
                      inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_shock1 inst_pexp1 inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

. xtivreg2 net_papers post1992 exper* dyear* 
>         (inter_shock1 inter_pexp1 inter_shock_coauthor_high inter_shock_coauthor
> _low=
>         inst_shock1 inst_pexp1 inst_high inst_low) , 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 33, 11172) =    86.60
                                                      Prob > F      =   0.0000
Total (centered) SS     =  197226.6484                Centered R2   =   0.0233
Total (uncentered) SS   =  197226.6484                Uncentered R2 =   0.0233
Residual SS             =   192624.437                Root MSE      =    .8415

---------------------------------------------------------------------------------
                |               Robust
     net_papers |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
   inter_shock1 |   1.223002   .2811177     4.35   0.000     .6720214    1.773983
    inter_pexp1 |   .7512668    .305345     2.46   0.014     .1528016    1.349732
inter_shock_c~h |    -.42683   .1792215    -2.38   0.017    -.7780976   -.0755623
inter_shock_c~w |   .1805952   .1738181     1.04   0.299    -.1600821    .5212725
       post1992 |  -.7328099   .1394333    -5.26   0.000    -1.006094   -.4595257
          exper |  -.0251089   .0088494    -2.84   0.005    -.0424534   -.0077644
         exper2 |   .0032245   .0002903    11.11   0.000     .0026555    .0037936
         exper3 |  -.0000714   9.08e-06    -7.86   0.000    -.0000892   -.0000536
         exper4 |   4.53e-07   9.11e-08     4.98   0.000     2.75e-07    6.32e-07
        dyear13 |   .2902294   .0757275     3.83   0.000     .1418061    .4386526
        dyear14 |   .3038092   .0675614     4.50   0.000     .1713912    .4362272
        dyear15 |    .344923   .0594372     5.80   0.000     .2284283    .4614177
        dyear16 |   .3298317    .051386     6.42   0.000     .2291169    .4305464
        dyear17 |   .2889554   .0434478     6.65   0.000     .2037992    .3741115
        dyear18 |   .2408221    .035184     6.84   0.000     .1718627    .3097814
        dyear19 |   .2121153   .0274446     7.73   0.000      .158325    .2659057
        dyear20 |   .1987869   .0197257    10.08   0.000     .1601253    .2374486
        dyear21 |   .0610242   .0125699     4.85   0.000     .0363877    .0856607
        dyear23 |   .4255757   .1273031     3.34   0.001     .1760663    .6750851
        dyear24 |    .353659    .118945     2.97   0.003     .1205311     .586787
        dyear25 |   .3221663   .1105175     2.92   0.004     .1055559    .5387766
        dyear26 |   .3506841   .1024464     3.42   0.001     .1498927    .5514754
        dyear27 |   .3381403   .0943171     3.59   0.000     .1532823    .5229983
        dyear28 |   .3395425   .0860998     3.94   0.000     .1707899     .508295
        dyear29 |   .3021275   .0780955     3.87   0.000     .1490631    .4551919
        dyear30 |   .2785541   .0698015     3.99   0.000     .1417456    .4153625
        dyear31 |    .263294   .0618056     4.26   0.000     .1421573    .3844308
        dyear32 |   .2123444    .053609     3.96   0.000     .1072728    .3174161
        dyear33 |   .1933392   .0454484     4.25   0.000      .104262    .2824164
        dyear34 |   .1394886   .0373063     3.74   0.000     .0663697    .2126076
        dyear35 |    .094121   .0291121     3.23   0.001     .0370624    .1511796
        dyear36 |   .0671481   .0213172     3.15   0.002     .0253671    .1089291
        dyear37 |   .0359213   .0138419     2.60   0.009     .0087918    .0630509
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):             82.267
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             1702.624
                         (Kleibergen-Paap rk Wald F statistic):         23.302
Stock-Yogo weak ID test critical values:                       <not available>
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock1 inter_pexp1 inter_shock_coauthor_high
                      inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_shock1 inst_pexp1 inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

.         *****************;
. *MERGING IN DATA THAT HAS DEPENDENT VARIABLES "TOP JOURNALS" AND "COAUTHOR SHARE
> ";
. *REGRESSION IN COLUMN 3 OF TABLE 6;
. *REGRESSIONS WILL BE RUN USING TWO SPECIFICATIONS;
. *MISSING WILL BE TREATED AS MISSING OR SET TO ZERO;
. sort unique year;

. merge unique year using /volumes/ddisk/math/soviet/hard_outcome_variables.dta;
(note: you are using old merge syntax; see [D] merge for new syntax)

. drop _merge;

. rename author_share_papers share_of_papers;

. xtivreg2 share_of_papers post1992 exper* dyear* 
>         (inter_shock1 inter_pexp1 inter_shock_coauthor_high inter_shock_coauthor
> _low=
>         inst_shock1 inst_pexp1 inst_high inst_low) , 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     10472                    Obs per group: min =        19
                                                               avg =      25.5
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    10472                Number of obs =   267074
                                                      F( 33, 10471) =   104.67
                                                      Prob > F      =   0.0000
Total (centered) SS     =  107256.7413                Centered R2   =   0.0292
Total (uncentered) SS   =  107256.7413                Uncentered R2 =   0.0292
Residual SS             =  104123.4381                Root MSE      =     .637

---------------------------------------------------------------------------------
                |               Robust
share_of_papers |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
   inter_shock1 |   .9614557   .2135053     4.50   0.000     .5429931    1.379918
    inter_pexp1 |   .3860015   .2295883     1.68   0.093    -.0639832    .8359863
inter_shock_c~h |   -.378182   .1374368    -2.75   0.006    -.6475532   -.1088108
inter_shock_c~w |   .2686875   .1414586     1.90   0.058    -.0085663    .5459412
       post1992 |  -.5464137   .1013741    -5.39   0.000    -.7451032   -.3477241
          exper |  -.0205518   .0064308    -3.20   0.001    -.0331559   -.0079477
         exper2 |    .002373   .0002056    11.54   0.000       .00197     .002776
         exper3 |  -.0000553   6.34e-06    -8.72   0.000    -.0000677   -.0000428
         exper4 |   3.85e-07   6.34e-08     6.08   0.000     2.61e-07    5.10e-07
        dyear13 |   .2127312   .0551045     3.86   0.000     .1047285     .320734
        dyear14 |   .2354425   .0492267     4.78   0.000       .13896    .3319251
        dyear15 |   .2593395   .0434279     5.97   0.000     .1742225    .3444566
        dyear16 |   .2482341   .0374303     6.63   0.000     .1748721    .3215961
        dyear17 |   .2151229   .0316884     6.79   0.000     .1530148    .2772309
        dyear18 |   .1770574   .0258167     6.86   0.000     .1264577    .2276572
        dyear19 |   .1590492   .0203132     7.83   0.000     .1192361    .1988624
        dyear20 |   .1570771   .0149257    10.52   0.000     .1278232    .1863309
        dyear21 |   .0483953   .0099713     4.85   0.000     .0288519    .0679387
        dyear23 |   .3186463   .0921458     3.46   0.001     .1380438    .4992488
        dyear24 |   .2570199   .0860747     2.99   0.003     .0883165    .4257232
        dyear25 |   .2324329     .07997     2.91   0.004     .0756945    .3891713
        dyear26 |   .2502242   .0742548     3.37   0.001     .1046874    .3957609
        dyear27 |   .2446238   .0684602     3.57   0.000     .1104441    .3788034
        dyear28 |    .241156   .0624442     3.86   0.000     .1187676    .3635443
        dyear29 |   .2136947   .0565323     3.78   0.000     .1028934    .3244959
        dyear30 |    .195477   .0506056     3.86   0.000     .0962919    .2946622
        dyear31 |   .1867453   .0447164     4.18   0.000     .0991029    .2743877
        dyear32 |   .1507048   .0387385     3.89   0.000     .0747787    .2266309
        dyear33 |   .1346218   .0328425     4.10   0.000     .0702517     .198992
        dyear34 |   .0962609     .02698     3.57   0.000     .0433811    .1491408
        dyear35 |   .0603362   .0210767     2.86   0.004     .0190267    .1016457
        dyear36 |   .0430913   .0153484     2.81   0.005      .013009    .0731737
        dyear37 |   .0244721   .0100503     2.43   0.015     .0047739    .0441702
---------------------------------------------------------------------------------
Underidentification test (Kleibergen-Paap rk LM statistic):             76.936
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):             1529.265
                         (Kleibergen-Paap rk Wald F statistic):         21.685
Stock-Yogo weak ID test critical values:                       <not available>
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         inter_shock1 inter_pexp1 inter_shock_coauthor_high
                      inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_shock1 inst_pexp1 inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
------------------------------------------------------------------------------

. replace share_of_papers=0 if share_of_papers==.;
(104490 real changes made)

. xtivreg2 share_of_papers post1992 exper* dyear* 
>         (inter_shock1 inter_pexp1 inter_shock_coauthor_high inter_shock_coauthor
> _low=
>         inst_shock1 inst_pexp1 inst_high inst_low) , 
>         fe i(unique) cluster(unique);
Warning - collinearities detected
Vars dropped:  dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8 dyear9
               dyear10 dyear11 dyear12 dyear22 dyear38 dyear39

FIXED EFFECTS ESTIMATION
------------------------
Number of groups =     11173                    Obs per group: min =        19
                                                               avg =      25.3
                                                               max =        27

IV (2SLS) estimation
--------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on unique

Number of clusters (unique) =    11173                Number of obs =   283169
                                                      F( 33, 11172) =   100.94
                                                      Prob > F      =   0.0000
Total (centered) SS     =  107256.7413                Centered R2   =   0.0279
Total (uncentered) SS   =  107256.7413                Uncentered R2 =   0.0279
Residual SS             =  104267.5565                Root MSE      =    .6191

---------------------------------------------------------------------------------
                |               Robust
share_of_papers |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]
----------------+----------------------------------------------------------------
   inter_shock1 |   1.016963   .2050981     4.96   0.000     .6149785    1.418948
    inter_pexp1 |   .3885616   .2203675     1.76   0.078    -.0433506    .8204739
inter_shock_c~h |  -.4265149   .1416772    -3.01   0.003    -.7041971   -.1488327
inter_shock_c~w |    .155503   .1330262     1.17   0.242    -.1052235    .4162296
       post1992 |  -.5245293   .0950438    -5.52   0.000    -.7108118   -.3382469
          exper |  -.0141392   .0060463    -2.34   0.019    -.0259897   -.0022886
         exper2 |    .001933   .0001988     9.72   0.000     .0015434    .0023226
         exper3 |   -.000045   6.17e-06    -7.30   0.000    -.0000571    -.000033
         exper4 |   3.04e-07   6.20e-08     4.91   0.000     1.83e-07    4.26e-07
        dyear13 |   .2129505   .0517137     4.12   0.000     .1115935    .3143074
        dyear14 |   .2339323   .0462028     5.06   0.000     .1433765    .3244882
        dyear15 |   .2561616   .0407647     6.28   0.000     .1762642    .3360589
        dyear16 |   .2439972   .0351369     6.94   0.000     .1751302    .3128642
        dyear17 |   .2100383   .0297462     7.06   0.000     .1517369    .2683397
        dyear18 |   .1719171   .0242326     7.09   0.000      .124422    .2194122
        dyear19 |    .152949   .0190685     8.02   0.000     .1155755    .1903225
        dyear20 |   .1487077   .0140005    10.62   0.000     .1212672    .1761483
        dyear21 |     .04603   .0093477     4.92   0.000     .0277088    .0643512
        dyear23 |   .3002654   .0863289     3.48   0.001      .131064    .4694669
        dyear24 |   .2420684   .0806402     3.00   0.003     .0840166    .4001202
        dyear25 |   .2186801   .0749211     2.92   0.004     .0718374    .3655228
        dyear26 |   .2350902   .0695674     3.38   0.001     .0987407    .3714397
        dyear27 |   .2296424   .0641391     3.58   0.000     .1039321    .3553528
        dyear28 |   .2262484   .0585037     3.87   0.000     .1115832    .3409136
        dyear29 |    .200411   .0529644     3.78   0.000     .0966027    .3042193
        dyear30 |   .1832735   .0474121     3.87   0.000     .0903474    .2761996
        dyear31 |   .1750557   .0418944     4.18   0.000     .0929442    .2571672
        dyear32 |   .1412276   .0362936     3.89   0.000     .0700935    .2123617
        dyear33 |   .1261385   .0307695     4.10   0.000     .0658315    .1864455
        dyear34 |   .0901835   .0252767     3.57   0.000      .040642     .139725
        dyear35 |   .0565113   .0197463     2.86   0.004     .0178092    .0952134
        dyear36 |   .0403635   .0143794     2.81   0.005     .0121803    .0685467
        dyear37 |    .022918    .009416     2.43   0.015     .0044629    .0413731
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Underidentification test (Kleibergen-Paap rk LM statistic):             82.267
                                                   Chi-sq(1) P-val =    0.0000
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Weak identification test (Cragg-Donald Wald F statistic):             1702.624
                         (Kleibergen-Paap rk Wald F statistic):         23.302
Stock-Yogo weak ID test critical values:                       <not available>
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Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
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Instrumented:         inter_shock1 inter_pexp1 inter_shock_coauthor_high
                      inter_shock_coauthor_low
Included instruments: post1992 exper exper2 exper3 exper4 dyear13 dyear14
                      dyear15 dyear16 dyear17 dyear18 dyear19 dyear20 dyear21
                      dyear23 dyear24 dyear25 dyear26 dyear27 dyear28 dyear29
                      dyear30 dyear31 dyear32 dyear33 dyear34 dyear35 dyear36
                      dyear37
Excluded instruments: inst_shock1 inst_pexp1 inst_high inst_low
Dropped collinear:    dyear1 dyear2 dyear3 dyear4 dyear5 dyear6 dyear7 dyear8
                      dyear9 dyear10 dyear11 dyear12 dyear22 dyear38 dyear39
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